<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        div{
            width: 100px;
            height: 100px;
            background-color: red;
            color: white;
            margin: 10px;
        }
        div:nth-child(2){
            background-color: blue;
            position: relative;
            left: 110px;
            top: -110px;
        }
        article{
            background-color: #ccc;
            width: 500px;
            height: 300px;
            margin:50px;
            position: relative;
        }
    </style>
</head>
<body>
    <!-- <div>div1</div>
    <div>div2</div>
    <div>div3</div> -->
    <article>
        <div>div1</div>
        <div>div2</div>
        <div>div3</div>
</article>
</body>
</html>